Broadcom BCM43142 on Ubuntu 13.04 64bit

download the file: http://jas.gemnetworks.com/debian/po...19-1_amd64.deb
sudo apt-get install linux-headers-generic build-essential dkms
then install the debian package
but you need to install the following stuffs for 13.04
- linux-headers-generic
- bcmwl-kernel-source
then you can use wifi!
ps: This document is just integrate some contents from the other sites.